Unimetro Precision Machinery Co., Ltd
                                                                                                           
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19 Years
Since 2007
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Incremental Optical Linear Scale with 20μm Resolution / Open-Type Steel Gate Ruler for Measuring Instruments

Price Negotiable
Price: Discussible
MOQ: 1
Delivery Time: Negotiable
Brand: UNIMETRO
Product Description
Incremental Optical Linear Scale with 20μm Resolution
Open-Type Steel Gate Ruler for Measuring Instruments
Product Overview
The RUS grating ruler is an incremental 20μm grating ruler designed to provide feedback for high precision linear measurement. It utilizes UNIMETRO's advanced interference grating line marking technology, with grating line error controlled below 40 nm. Constructed from high-strength, corrosion-resistant special stainless steel to ensure long-term stable performance.
RUS Series Linear Scale - High Precision Steel Strip Reflective Grating Ruler
System Characteristics
RUS High Precision Stainless Steel Gate Ruler features:
  • High Precision: ±5μm/m
  • Low expansion coefficient: 10.5μm/m/°C
  • High linearity: ±2.5μm/m
  • Fast Installation: Includes tape tool, backing adhesive for quick mounting
  • Compact size: 0.2mm thick × 8mm wide
  • Premium materials: Corrosion resistant, high hardness
  • Ultra Long Size: Up to 50m order length available
RU2 Reader Performance
Parameter Specification
Resolution Digital: 1μm, 0.5μm, 0.2μm, 0.1μm, 20nm, 50nm
Simulation: 20μm
Minimum clock frequency of counter 1M, 2.5M, 5M, 10M
Maximum speed 12m/s (dependent on resolution and counter frequency)
Electronic subdivision error 40nm
Automatic gain control Yes
Technical Specifications
Specification Value
Coefficient of thermal expansion 10.5μm/m/℃
Grating Ruler Type Incremental type
Weight 12.6 g/m
Pitch 20μm
Material High Strength Stainless Steel
Precision ±5μm/m
Linearity ±2.5μm/m (Two-point correction available)
Size H 0.2mm × W 8mm
Size of adhesive H 0.1mm × W 6mm
Supply length 100mm~50m
Working temperature 0℃~70℃
Working humidity RH < 95% (Non condensation)
Storage temperature -20℃~70℃
Storage humidity RH < 95% (Non condensation)
Application Examples
Linear scale application in precision measurement equipment Industrial measurement system using RUS grating ruler High precision linear measurement application
Frequently Asked Questions
Q1: Are you a factory or trading company?
A1: We are a factory and provide responses within 24 hours.
Q2: What does your company primarily manufacture?
A2: We specialize in Vision Measuring Machines, Coordinate Measuring Machines, CMM & VMM fixtures, and related equipment.
Q3: How to choose the appropriate specification?
A3: Our professional team will recommend suitable measuring instruments based on your product variety and measurement requirements.
Q4: Do you accept customized services?
A4: Yes, we provide both standard machines and custom solutions tailored to customer needs.
Q5: What is your warranty period?
A5: Our products come with a 1-year warranty. We have enhanced durability on critical components for reliable performance.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Unimetro Precision Machinery Co., Ltd
Location NO.4 Gangtou Hengcheng Road, Xin'an community, Chang'an Town, Dongguan City, China
Contact Person Miss.

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